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The Nation

A small leak was found in the cooling system of one of space shuttle Discovery’s engines, but it was not considered serious and will not affect next month’s flight of sister ship Atlantis, the National Aeronautics and Space Administration said. Discovery landed Saturday in California after a five-day mission. The tiny leak was found in an area where layers of nickel and copper had begun to separate, a NASA statement said. It said pressure tests before the launch indicated no leak then.


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